GNU bug report logs - #20301
11.88.3; mathtools.el: multlined environment inserts a spurious newline

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: gojjoe <at> gmail.com
Subject: bug#20301: closed (Re: bug#20301: 11.88.3; mathtools.el:
 multlined environment inserts a spurious newline)
Date: Sat, 11 Apr 2015 19:51:03 +0000

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Your bug report

#20301: 11.88.3; mathtools.el: multlined environment inserts a spurious newline

which was filed against the auctex package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 20301 <at> debbugs.gnu.org.

-- 
20301: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20301
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Tassilo Horn <tsdh <at> gnu.org>
To: gojjoe <at> gmail.com
Cc: 20301-done <at> debbugs.gnu.org
Subject: Re: bug#20301: 11.88.3;
 mathtools.el: multlined environment inserts a spurious newline
Date: Sat, 11 Apr 2015 21:50:29 +0200

gojjoe <at> gmail.com writes:

Hi!

> Inserting a multlined (note the final 'd') environment via
> LaTeX-environment, a spurious newline is inserted. Example: call C-c
> C-e multlined [ret]. The result is:
>
> \begin{multlined}
>
>
> \end{multlined}
>
> I think the problem is in mathtools.el: @line 198, maybe
> "newline-and-indent" is causing the problem?

Yes, exactly.  It's now fixed in Git.

Thanks for reporting!
Tassilo

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From: gojjoe <at> gmail.com
To: bug-auctex <at> gnu.org
Subject: 11.88.3;
 mathtools.el: multlined environment inserts a spurious newline
Date: Sat, 11 Apr 2015 11:49:41 +0200

Dear All,

Inserting a multlined (note the final 'd') environment via 
LaTeX-environment, a spurious newline is inserted. Example: 
call C-c C-e multlined [ret]. The result is:

\begin{multlined}


\end{multlined}

with a spurious newline and the cursor in the second empty 
line. Insertion of all other math environments I tried 
behaves correctly instead, eg

\begin{equation}

\end{equation}

The same happens also inserting multlined when a region is 
selected. For example, marking the expression

a + b

(or its whole line) and calling C-c C-e multlined [ret] gives

\begin{multlined}
a + b

\end{multlined}

again with a spurious newline.

I think the problem is in mathtools.el: @line 198, maybe 
"newline-and-indent" is causing the problem?

Cheers!
J



Emacs  : GNU Emacs 24.3.1 (i386-mingw-nt6.1.7601)
 of 2013-03-17 on MARVIN
Package: 11.88.3

current state:
==============
(setq
 AUCTeX-date "2015-03-22"
 window-system 'w32
 LaTeX-version "2e"
 TeX-style-path '("~/.emacs.d/auctex"
		  "c:/Users/***/work/.emacs.d/elpa/auctex-11.88.3/style"
		  "c:/Users/***/work/.emacs.d/auctex/auctex-auto"
		  "c:/Users/***/work/.emacs.d/auctex/auctex-style"
		  "auctex-auto" "auctex-style")
 TeX-auto-save t
 TeX-parse-self t
 TeX-master t
 )

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